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Apple Power Macintosh Performa 5260 5280 Series

1 Verify that system software is version 7.5 or later. 2 Verify that software is compatible with system. 3 If Ethernet card is installed, verify that it is fully seated. 4 Check that system has enough memory installed for application. 1 Reset logic board. Refer to Additional Procedures. 4 Replace logic board. Retain customer's SIMMs. System will not start up from keyboard, but will start up from rear power switch 1 Verify keyboard as known-good. System continually restarts after Shutdown from...

Before you begin, remove the rear housing. Awarning This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins Safety. Awarning Do not use metal alignment tools they are a shock hazard. Note The controls on this monitor require a small plastic Phillips-head tool or a small plastic flat-head tool to make adjustments. 1 Run Display Service Utility from the Utilities folder of the MacTest Pro CD to display the All-White Screen. 2...

Before you begin, remove the following Awarning This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins Safety. Remove the Phillips screws from the bottom right corner of the power supply and from the rear of the power supply. Slide the power supply back to clear the interlocking tab and lift it from the guide rail. Support the power supply next to the guide rail, on top of the chassis. 2-pin degauss cable from location P802...

The MPEG Card is an optional card included with the Apple MPEG Media System. The MPEG Card requires that the Video-In Card be installed. It provides hardware decompression for MPEG movie files, enabling full-screen through pixel doubling , 30-frames-per-second, 24-bit video playback with 16-bit audio. After the MPEG movies are compressed, they are sent to the Video-In Card, which converts the data into digital format for output to the screen. Install the MPEG Card in the processor direct slot.

Before you begin, remove the I O door. Caution Review the ESD precautions in Bulletins Safety. 1 Using the convenience pull tab, disconnect the IDE data cable from the hard drive connector. 3 Using needle-nose pliers, pull up the release latch and slide the IDE hard drive from the chassis. Replacement Caution Some hard drives have sharp edges near the cable connector that can rub and, therefore, damage the cable. Avoid rubbing the cable against the edge of the drive. Note Perform the following...

Before you begin, remove the following Caution Review the ESD precautions in Bulletins Safety. External Video Connector Ribbon Cable with Card and Connector External Video Connector Ribbon Cable with Card and Connector Note The Apple External Video Connector provides mirroring or display of the system's monitor screen on a presentation screen. In addition to the ribbon cable with card and the connector, the Apple External Video Connector kit includes a metal access shield, a plastic access...

The TV FM radio tuner card turns the computer into a television and FM radio receiver, complete with remote control. An expansion ribbon connector for the optional TV FM radio tuner card provides NTSC and PAL input from an external TV antenna or cable. Change channels by typing the channel number on the keyboard or with the remote control. Switch between the current and previous channel by pressing the Tab key. The computer displays the user-assigned channel name on the picture in the video...

Warning This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins Safety. Note Do not disconnect the cables connecting the video board and the analog board. 1 Remove the screws at the lower rear of the analog board. Lift up the lower back corner of the analog board to disengage the rear bracket from the chassis slot. Slide the analog board back to clear the interlocking tab and lift it from the guide rail. Important At this...

No preliminary steps are required before you begin this procedure. Placing your fingertips in the holes of the finger latches, pull the two finger latches down. Swing the drive and control bezel up and off. Replacement Note Insert the drive bezel hinge tabs behind the upper corners of the front bezel opening. Swing the drive bezel down until it snaps closed.